CIS 1000 Lecture 2: Unit 2

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1000
• Professor: Zoe Zhu

Document Summary

What is a computer: a computer is a data processing device that performs 4 major functions: Types of computers: computers come with different sizes two basic designs of computers are laptop and desktop computers, popular laptops are pc and macbook. There are also netbooks, tablet computers and ultrabooks: for desktops, we have separate case plus peripheral devices desktop and all-in- one desktop computers, special design computers, mainframe computer: supports many users simultaneously, supercomputer: performs complex calculations extremely fast. Ibm project) used 131,000 processors to routinely handle 280 trillion operations every second. The embedded computer resides in your car too. Activity 2. 1: what computer is right for you: when you look for a computer, you are offered various options among purchasing a desktop, laptops or tablets. In computers, each letter of the alphabet, each number and each special character consists of a unique combination of eight bits (one byte) a string of eight 0s and 1s.